Tino,

Thanks for the info.  I will look into whether or not the drive can be
mounted as NFS.  I've never had to do that so will have to look into what it
will take to perform that.

____________________________________________________
David Williams


-----Original Message-----
From: Tino Schwarze [mailto:backuppc.lists AT tisc DOT de] 
Sent: Thursday, March 26, 2009 12:53 PM
To: backuppc-users AT lists.sourceforge DOT net
Subject: Re: [BackupPC-users] External WD Worldbook Device

Hi David,

On Thu, Mar 26, 2009 at 12:02:16PM -0400, David Williams wrote:
> I'm not sure what the filesystem is.  I suspect it is NTFS.  I guess
> whatever these drives come as.
> 
> I did try what Tino suggested and this is what happened:
> 
> [root@dtwconsulting backups]# echo hello > testfile
> [root@dtwconsulting backups]# ln testfile linkedfile
> ln: creating hard link `linkedfile' => `testfile': No such file or
directory
> 
> So yes, does look like there is a problem.
> 
> I have checked my previous backups and don't see any errors though, and I
> was able to restore some of the files !
> 
> Is there a way that I can reformat this drive to ext3 ?  Is it even
possible
> to format the drive from linux when it is mounted as cifs ?

Not directly since you use the drive as a NAS, therefore you access it
via some network protocol. Does it support NFS? If so, try using that
and perform the above test.

A not-so-nice solution would be to create an x GB file and format that
with whatever unix filesystem you like.

It would work roughly like this (for a 10 GB volume):

dd if=/dev/zero of=/backups/backuppc-volume bs=1M count=10240

mke2fs -m 1 -j /backups/backuppc-volume

mount -o loop,noatima,nodiratime /backups/backuppc-volume /var/lib/backuppc

If you run out of space on the volume later, you may resize it by
growing the file first (be careful!), then resizing the file system.

I suppose, performance is not an issue for you - it may be pretty
slow...

I wonder how you managed to do backups the first time, though... you
only upgraded your server? Then there must have been a way to create
links or BackupPC would have complained a lot.

HTH,

Tino.

-- 
"What we nourish flourishes." - "Was wir nähren erblüht."

www.lichtkreis-chemnitz.de
www.craniosacralzentrum.de

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